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Finding the Fourth Proportional to 346,253.96, 518,014.38 and 262,256.24

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Solution

The fourth proportional to 346,253.96, 518,014.38 and 262,256.24 is: 392,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,253.96 : 518,014.38 = 262,256.24 : x
  2. Step 2: Convert to fraction form
    346,253.96/518,014.38 = 262,256.24/x
  3. Step 3: Cross multiply
    346,253.96x = 518,014.38 × 262,256.24
  4. Step 4: Simplify right side
    346,253.96x = 135,852,503,564.73
  5. Step 5: Solve for x
    x = 135,852,503,564.73/346,253.96
  6. Step 6: Final answer
    x = 392,349.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.